NX Filtration N.V. GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, October 28th, 2026
1 Day
41.19%
1 Week
44.69%
1 Month
56.10%
Analysis last updated: Wednesday, October 28, 2026 at 07:02 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 15, 2021 to Oct 23, 2026Model Insight
With persistence 0.993, volatility shocks have a half-life of 104 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 3.76 degrees of freedom, capturing fatter tails than a normal distribution.
GAS-GARCH-T Model
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| Param | Value | t-stat |
|---|---|---|
| ωlong-run | 98.0113 | 1.09 |
| αscore | 0.2334 | 14.46*** |
| βpersistence | 0.9934 | 178.89*** |
| νDF | 3.7634 | 6.46*** |
0.993
Persistence104d
Half-lifeGAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω long-run Long-run variance given a price move | 98.0113 | 1.09 |
α score Weight on the scaled score | 0.2334 | 14.46*** |
β persistence Volatility persistence | 0.9934 | 178.89*** |
ν DF Student-t tail thickness | 3.7634 | 6.46*** |
Persistence:
0.993
Half-life:
104 days
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